From owner-freebsd-stable@freebsd.org Tue Feb 2 14:50:07 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0DF0FA99E92 for ; Tue, 2 Feb 2016 14:50:07 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [IPv6:2607:f3e0:80:80::2]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 64C9C1C6A for ; Tue, 2 Feb 2016 14:50:06 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5::11]) by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id u12Eo5Lg053275 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 2 Feb 2016 09:50:05 -0500 (EST) (envelope-from mike@sentex.net) Received: from [IPv6:2607:f3e0:0:4:5c30:ed1b:e203:c55c] ([IPv6:2607:f3e0:0:4:5c30:ed1b:e203:c55c]) by lava.sentex.ca (8.14.9/8.14.9) with ESMTP id u12Eo4G9013202; Tue, 2 Feb 2016 09:50:04 -0500 (EST) (envelope-from mike@sentex.net) Subject: Re: possible em regression (was Re: svn commit: r294958 - in stable/10: share/man/man4 sys/dev/e1000 sys/dev/ixgb sys/dev/netmap) To: Marius Strobl References: <201601272231.u0RMV8LW019394@repo.freebsd.org> <56ABAA92.5050901@sentex.net> <56ABB291.5040305@omnilan.de> <56ABCE95.3030807@sentex.net> <20160130012358.GY15359@alchemy.franken.de> <56ACE917.80502@sentex.net> <20160130172618.GA15359@alchemy.franken.de> Cc: FreeBSD-STABLE Mailing List From: Mike Tancsa Organization: Sentex Communications Message-ID: <56B0C217.1070706@sentex.net> Date: Tue, 2 Feb 2016 09:49:59 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20160130172618.GA15359@alchemy.franken.de> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.75 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Feb 2016 14:50:07 -0000 On 1/30/2016 12:26 PM, Marius Strobl wrote: > On Sat, Jan 30, 2016 at 11:47:19AM -0500, Mike Tancsa wrote: >> On 1/29/2016 8:23 PM, Marius Strobl wrote: >>> On Fri, Jan 29, 2016 at 03:41:57PM -0500, Mike Tancsa wrote: >>>> >>>> No multi queue. Stock GENERIC kernel with a couple of things removed. >>>> hw.em are just the defaults. I will try without TSO >>>> >>>> % ifconfig em0 >>>> em0: flags=8843 metric 0 mtu 1500 >>>> >>>> options=4209b >>>> >>> >>> Hrm, that's strange, TSO4 should be enabled by default so apparently >>> you are already disabling it; what is the behavior if you turn it on? >>> Do you use a < Gigabit link? >> >> Hi Marius, >> Thanks for looking. The ifconfig output was after I turned off tso as >> Harry suggested to try. Its been 24hrs and I have not seen any resets. >> I will wait another 36hrs or so and then turn it back on to see if the >> problem comes back. >> >> this link is 100Mb. > > Ah, okay, that at least makes sense. Can you please verify that with > the attached patch applied, you have a setup that works out of the > box? Hi, Should the nic come up with TSO disabled by default ? After reboot, I see # ifconfig em0 em0: flags=8843 metric 0 mtu 1500 options=4219b ether 00:30:48:9c:59:f0 ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/